surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

• muppet
• muppets
• muqaddam
• muqaddams
• MUR
• muraena
• Muraena
• muraenas
• Muraenidae
• murage
• murages
• mural
• mural circle
• mural circles
• mural crown
• mural crowns
• muralist
• muralists
• mural painting
• murals
• murder
• murdered
• murderee
• murderees
• murderer